xref: /freebsd/contrib/com_err/error.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*
2  * Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <com_right.h>
39 
40 #ifdef LIBINTL
41 #include <libintl.h>
42 #else
43 #define dgettext(d,s) (s)
44 #endif
45 
46 KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
47 com_right(struct et_list *list, long code)
48 {
49     struct et_list *p;
50     for (p = list; p; p = p->next)
51 	if (code >= p->table->base && code < p->table->base + p->table->n_msgs)
52 	    return p->table->msgs[code - p->table->base];
53     return NULL;
54 }
55 
56 KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
57 com_right_r(struct et_list *list, long code, char *str, size_t len)
58 {
59     struct et_list *p;
60     for (p = list; p; p = p->next) {
61 	if (code >= p->table->base && code < p->table->base + p->table->n_msgs) {
62 	    const char *msg = p->table->msgs[code - p->table->base];
63 #ifdef LIBINTL
64 	    char domain[12 + 20];
65 	    snprintf(domain, sizeof(domain), "heim_com_err%d", p->table->base);
66 #endif
67 	    strlcpy(str, dgettext(domain, msg), len);
68 	    return str;
69 	}
70     }
71     return NULL;
72 }
73 
74 struct foobar {
75     struct et_list etl;
76     struct error_table et;
77 };
78 
79 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
80 initialize_error_table_r(struct et_list **list,
81 			 const char **messages,
82 			 int num_errors,
83 			 long base)
84 {
85     struct et_list *et, **end;
86     struct foobar *f;
87     for (end = list, et = *list; et; end = &et->next, et = et->next)
88         if (et->table->msgs == messages)
89             return;
90     f = malloc(sizeof(*f));
91     if (f == NULL)
92         return;
93     et = &f->etl;
94     et->table = &f->et;
95     et->table->msgs = messages;
96     et->table->n_msgs = num_errors;
97     et->table->base = base;
98     et->next = NULL;
99     *end = et;
100 }
101 
102 
103 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
104 free_error_table(struct et_list *et)
105 {
106     while(et){
107 	struct et_list *p = et;
108 	et = et->next;
109 	free(p);
110     }
111 }
112